/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraParameterMapHistory.h
If we haven't already visited the owning node, do so.
void VisitInputPin ( const [FInputPin](API\Plugins\NiagaraEditor\TNiagaraParameterMapHistoryBuild-\FInputPin) * Pin, bool bFilterForCompilation )